I am starting to assemble the tools to rebuild motors and I am looking for a 2mm pin or rod to use for installing bearings and aligning brush hoods. I've seen die pins on eBay but I don't need 50 of them. Any ideas where I could find something?
Where to get 2mm rod?
Started by
Car-2
, May 16 2016 10:55 PM
12 replies to this topic
#1
Car-2
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Posted 16 May 2016 - 10:55 PM
Robert Uzzi
#3
Bill from NH
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Posted 16 May 2016 - 11:38 PM
The 2mm axles Zippity mentioned will work, as will 2mm drill blanks. Pro Slot has sold drill blanks in the past.
Bill Fernald
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#4
Rick
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Posted 16 May 2016 - 11:39 PM
.078 piano wire is 2mm. Get it at any slot track...
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#5
Zippity
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Posted 17 May 2016 - 12:16 AM
0.078" = 1.984 mm = 5/64".
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#6
airhead
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Posted 17 May 2016 - 06:25 AM
McMaster-Carr has everything.
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Billy Watson
#7
Car-2
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Posted 17 May 2016 - 06:56 AM
Thanks, those are all good suggestions!
Robert Uzzi
#8
Pablo
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Posted 17 May 2016 - 07:16 AM
Paul Wolcott
#9
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Posted 21 May 2016 - 12:13 PM
I too am trying to make a few tools that I lost over the years.
I'd love to have a "rough" hone to get me close before using a magnet hone. Sometimes you need a few sizes to get down to where you need to be and it gets expensive at 50 a piece these days.
Also could someone tell me why the aluminium slugs have a notch in the center these days? My old ones don't and I'm wondering if there is something I'm missing. Obviously the ones for zapping are solid steel but I can't figure out why the bearing slugs have the gap.
Robert Fothergill
#10
havlicek
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Posted 21 May 2016 - 01:08 PM
The notch *can* be used for prying out the slug after setting magnets. The end is often (usually?, always?) buried at the end of the can. Now, as to "why" the notch is there, beats me!
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John Havlicek
#11
MSwiss
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Posted 21 May 2016 - 02:44 PM
Also could someone tell me why the aluminium slugs have a notch in the center these days?
It's for the drive belt to go, when they are being turned to size.
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#12
bigdanbo
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Posted 05 June 2016 - 06:12 PM
0.078" = 1.984 mm = 5/64".
You are correct, oddly enough it seems (my) arm shafts measure closer to .078. So all these years of using 5/64 drill blanks have worked just fine for me.
Dan Ebbert
#13
havlicek
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Posted 06 June 2016 - 07:26 AM
.078" piano wire may be OK for a lot of stuff, but using actual 2mm armature shafts or axles for the precision stuff is best. You can get that stuff for a couple of bucks a throw (and you don't have to buy more than one) and it's worth it for tooling you'll be using over and over again. There can be variances of a thousandth with this stuff depending on how it's formed/finished. There are also variances in "straightness" that *may* matter for tooling, but I think more so when you're running these things as an armature shaft or an axle.
-john
John Havlicek
